Rii K22: Best Budget Wireless Touch Keyboard

• Best Budget Wireless Touch Keyboard: Rii K22 Wireless Touch Keyboard Review, Spec, and Features.
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Rii K22 Wireless Touch Keyboard 

The Rii K22 Wireless Keyboard is a three-in-one 2.4GHz multimedia wireless keyboard with an ultra-thin design. The keyboard has easy-to-press keys and a large touchpad (3.35 x 2.95 inches) with volume controls and arrow keys. It also has a unique dotted scroll screen design that makes it easy to use.

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Product Highlights

• All in one: Multimedia wireless keyboard integrated with a Touchpad.
• Touchpad Mouse function: easy-to-access volume controls and arrow keys with a special dotted scroll screen design.
• Ergonomically designed, small, and portable.
• Range: Up to 10 m (33 ft) wireless control range.
• Ultra-thin lightweight design (19.3 mm includes legs height).
• Auto-connect to MacBook iOS and Raspberry Pi. s through 2.4g wireless.
• Supports all devices with a standard USB port.
• 2.4G wireless mini QWERTY keyboard and Touchpad combo.
• Adopts high-quality Capacitive touch sensation quality.
• Built-in rechargeable polymer lithium-ion battery
• Material: Made of aviation-grade 7000 series aluminum alloy, anodized.
• Power saving mode: After 3 minutes, automatically enters sleep mode to conserve power.
• Compatible with PCs, laptops, smart TVs, MacBook, Raspberry Pi, macOS, Linux, HTPC, X360, Android Box, IPTV, Google Android Smart TV Box, XBMC, Windows 2000 XP Vista 7, 8, 10.

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Rii K22 Specifications

General	Brand: Rii Type: Wireless Model: K22 Color: Black
Specification	Processor (MCU): BEKEN2535 Bluetooth version: DSSS 2.4G wireless, up to 10 meters Working frequency band: 2.402GHz -2.480GHz,ISM Complies with/Supports: Windows 8.1 above, Android 5.0 above/Mac OS/IOS/OSX Transmission distance: Up to 10m TX power: Less than 0 ~ +4 dBm Receiving sensitivity: -93dB Input voltage: 3.7V Charging current: 120mA Working Current: <7mA Sleeping Current: <50uA
Weight & Dimensions	Product Weight: 0.385g Product Dimensions: 295x137x19.3mm/11.6*5.4*0.76in Package Weight: 0.491g Package Dimensions: 354.2*156*25mm
Package Contents	1 x K22 Wireless keyboard 1 x USB Charging Cable 1 x User Guide

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Comparing K2 Models ( 2.4G vs. 2.4G&BT)

Design Changes

Both K22 keyboard’s exterior designs are almost identical, except for a few minor changes. The Connectivity indicator lights remain located on top of the Touchpad. The dual mode model now has two operation modes and status lights—one for Bluetooth and a second for 2.4G.

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The Package

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Unboxing the K22 Keyboard (BT & 2.4G Model)

Package Content:

• 1x K22 Keyboard.
• 1x USB Type-C Charging Cable.
• 1x User Guide

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Applications

The Rii K22 Wireless Keyboard can be used in different places and for different purposes. It can be connected to computers, laptops, and smart TVs in the living room or connected to a TV. The combination of MacBook iOS and Raspberry Pi is a powerful duo that offers endless possibilities. Compatible with PC, laptop, Raspberry Pi, macOS, Linux, HTPC, X360, Android Box, IPTV, Google Android Smart TV Box, Kodi (XBMC), Windows 2000 XP, Vista 7, 8, 10 (Not applicable to Bluetooth devices such as Amazon Fire TV!).

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Design

The K22 keyboard has a micro USB interface for charging. It has a built-in rechargeable lithium-ion battery that lasts for over 20 months.The keyboard keycap is made of UV technology made of wear-resistant double letters that are not easily worn away. The Keycap adopts an X-shaped structure design, Keycap 15mm * 15.5mm; The bottom shell material is made of aviation-grade 7000 series aluminum alloy, anodized, lightweight, ultra-thin, ergonomically designed smart TV keyboard, small and portable.

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Operation

The K22 has an ultra-thin design. It comes with a USB receiver and can operate at distances of 10 m (33 ft) range. On top of that, it supports Bluetooth connectivity without dongle assistance. The device has a power management feature that automatically switches it to a low consumption mode called “auto-sleep” after 3 minutes of inactivity. It will return to normal operation when any button on the keyboard is pressed.

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Rii K22 Wireless Keyboard

Zoom in and out of Google Maps

The K22 keyboard comes with a fast, responsive touchpad that can, amongst many possible uses. It can be used with popular mapping services like Bing and Google Maps to orient yourself on the displayed maps and zoom in and out. On top of that, you can use nine different finger touch gestures, including scrolling up / down and finger tapping.

Touchpad gestures (Quick Demo)

As shown in the video below, by placing two fingers on the touchpad and pinching in or stretching out, you can zoom in on an object.

Using K22 touch surface with Google Maps via a web browser.

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The K22 keyboard is a great choice for Mini PCs, Smart TVs, and single-board computers like Raspberry Pi, Orange Pi, or Banana Pi. It doesn’t take too much space, and it’s basic plug & play. You connect the dongle to the USB Host port device and are ready to go.

The K22 keyboard: Connected to an Orange Pi 4 LTS single-board computer.

Bluetooth Pairing

Operation is very straightforward. To enter Bluetooth pairing mode, you must first enable Bluetooth discovery on the controlled device. For example, you can use the keyboard on Smart TVs, Mini PCs, or Android Setup-boxes. To enter into BT mode, you will need to press the combination key of the FN+Tab for about 2-3 seconds until the green BT light turns on. At this point, you should be able to see the keyboard under the name RTL21 BLE Keyboard. Once you click on the device name, your K22 is connected and ready to be used.

K22 BT Pairing | Himedia Q5 Pro Android box

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Price and Availability

The Rii K22 keyboard is available in two versions in Rii Amazon Store. The first one, with only 2.4G connectivity, costs about $24.99, and the multimode edition, which includes Bluetooth and 2.4G, sells for $32.99. We strongly suggest purchasing the multimode edition. This allows you to use the keyboard to control appliances without a USB dongle. You can do this by enabling the BT settings and connecting directly with the device you want to control.

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